650W Mono High Fidelity C5200 A1943 Tube High-Power Home Stage Amplifier Board
Output power: 650W. The power should be above 500W. Signal to noise ratio: (20Hz --20KHz): A-weighted, full power output>98dB. Inter channel crosstalk: 1kHz: -76 dB/20kHz: -58dB. Power board 183mm long x 78mm wide.